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A member asked:
Why does a person with lactose intolerance have flatulence with the ingestion of dairy products?
3 doctors weighed in across 2 answers
Bacteria make gas: A normal person eating a healthy diet can get flatulent. One reason is excess fiber. Since humans don't digest the fiber, intestinal bacteria will feed on it and make gas as a byproduct. Another reason is lactose intolerance, in which one can't digest the lactose (milk sugar) he eats. Again, bacteria will feed on it. A third reason is sugar alcohols, like maltitol, that can cause gas & diarrhea.
Answered 7/27/2012
6.2k views
Lactose Intolerance: Unable to breakdown lactose leads to increased gaseous production causing the bloat and flatulence.
Answered 1/9/2013
5.4k views
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